diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/utility/jdt/DefaultAnnotationEditFormatter.java')
-rw-r--r-- | jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/utility/jdt/DefaultAnnotationEditFormatter.java | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/utility/jdt/DefaultAnnotationEditFormatter.java b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/utility/jdt/DefaultAnnotationEditFormatter.java deleted file mode 100644 index 0f6cfd917d..0000000000 --- a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/utility/jdt/DefaultAnnotationEditFormatter.java +++ /dev/null @@ -1,219 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005, 2008 Oracle. All rights reserved. - * This program and the accompanying materials are made available under the - * terms of the Eclipse Public License v1.0, which accompanies this distribution - * and is available at http://www.eclipse.org/legal/epl-v10.html. - * - * Contributors: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.core.internal.utility.jdt; - -import org.eclipse.jface.text.BadLocationException; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jpt.core.utility.jdt.AnnotationEditFormatter; -import org.eclipse.text.edits.InsertEdit; -import org.eclipse.text.edits.MalformedTreeException; -import org.eclipse.text.edits.MultiTextEdit; -import org.eclipse.text.edits.ReplaceEdit; -import org.eclipse.text.edits.TextEdit; - -/** - * This implementation will clean up some of the nasty Eclipse annotation - * formatting (or lack thereof); e.g. arrays of annotations. - */ -public final class DefaultAnnotationEditFormatter - implements AnnotationEditFormatter -{ - private static final DefaultAnnotationEditFormatter INSTANCE = new DefaultAnnotationEditFormatter(); - - /** - * Return the singleton. - */ - public static DefaultAnnotationEditFormatter instance() { - return INSTANCE; - } - - /** - * Ensure single instance. - */ - private DefaultAnnotationEditFormatter() { - super(); - } - - /** - * TODO - */ - public void format(IDocument doc, TextEdit editTree) throws MalformedTreeException, BadLocationException { - TextEdit[] edits = editTree.getChildren(); - int len = edits.length; - if (len == 0) { - return; - } - - MultiTextEdit extraEdits = new MultiTextEdit(); - for (int i = 0; i < len; i++) { - TextEdit edit1 = edits[i]; - if ( ! (edit1 instanceof InsertEdit)) { - continue; // if the edit is not an insert, skip to the next edit - } - InsertEdit insert1 = (InsertEdit) edit1; - int j = i + 1; - if (j < len) { - TextEdit edit2 = edits[j]; - if (edit2 instanceof InsertEdit) { - InsertEdit insert2 = (InsertEdit) edit2; - String text1 = insert1.getText(); - String text2 = insert2.getText(); - int offset1 = insert1.getOffset(); - int offset2 = insert2.getOffset(); - if (this.stringIsAnnotation(text1) && text2.equals(" ")) { - // an annotation was inserted before something on the same line; - // replace the trailing space with a newline and appropriate indent - extraEdits.addChild(new ReplaceEdit(offset2, 1, this.buildCR(doc, offset2))); - i++; // jump the index past 'edit2' - continue; // go to the next edit - } - int comma1Length = this.commaLength(text1); - if ((comma1Length != 0) && this.stringIsAnnotation(text2)) { - // an annotation was inserted in an array initializer on the - // same line as the previous array element; - // replace the preceding space with a newline and appropriate indent - extraEdits.addChild(new ReplaceEdit(offset1 + comma1Length, text1.length() - comma1Length, this.buildCR(doc, offset1))); - i++; // jump the index past 'edit2' - continue; // go to the next edit - } - } - } - this.formatArrayInitializer(doc, insert1, extraEdits); - } - extraEdits.apply(doc, TextEdit.NONE); - } - - /** - * If the insert edit is inserting an annotation containing an array of annotations as - * its value then format them nicely. - */ - private void formatArrayInitializer(IDocument doc, InsertEdit insertEdit, MultiTextEdit extraEdits) throws BadLocationException { - String s = insertEdit.getText(); - if ( ! this.stringIsAnnotation(s)) { - return; - } - int len = s.length(); - int pos = 1; // skip '@' - while (pos < len) { - char c = s.charAt(pos); - pos++; // bump to just past first '(' - if (c == '(') { - break; - } - } - if (pos == len) { - return; // reached end of string - } - while (pos < len) { - char c = s.charAt(pos); - pos++; // bump to just past first '{' - if (c == '{') { - break; - } - if (c != ' ') { - return; - } - } - if (pos == len) { - return; // reached end of string - } - // now look for '@' not inside parentheses and put in - // line delimeter and indent string before each - int offset = insertEdit.getOffset(); - String indent = null; - int parenDepth = 0; - while (pos < len) { - switch (s.charAt(pos)) { - case '(' : - parenDepth++; - break; - case ')' : - parenDepth--; - break; - case '@' : - if (parenDepth == 0) { - if (indent == null) { - indent = this.buildCR(doc, offset, "\t"); // TODO use tab preference? - } - extraEdits.addChild(new InsertEdit(offset + pos, indent)); - } - break; - case '}' : - if (parenDepth == 0) { - extraEdits.addChild(new InsertEdit(offset + pos, this.buildCR(doc, offset))); - } - break; - } - pos++; - } - } - - /** - * Build a string containing a line delimeter and indenting characters - * matching the indent level of the line containing the character offset - * (i.e. the new line's indent matches the current line). - */ - private String buildCR(IDocument doc, int offset) throws BadLocationException { - return this.buildCR(doc, offset, ""); - } - - private String buildCR(IDocument doc, int offset, String suffix) throws BadLocationException { - int line = doc.getLineOfOffset(offset); - StringBuilder sb = new StringBuilder(); - sb.append(doc.getLineDelimiter(line)); // use same CR as current line - - int o = doc.getLineOffset(line); // match the whitespace of the current line - char c = doc.getChar(o++); - while ((c == ' ') || (c == '\t')) { - sb.append(c); - c = doc.getChar(o++); - } - sb.append(suffix); - return sb.toString(); - } - - /** - * Return whether the specified string is an annotation. - */ - private boolean stringIsAnnotation(String string) { - return (string.length() > 1) && string.charAt(0) == '@'; - } - - /** - * If the specified string is a single comma, possibly surrounded by - * spaces, return the length of the substring containing the - * initial spaces and the comma. - */ - private int commaLength(String string) { - boolean comma = false; - int len = string.length(); - int result = 0; - for (int i = 0; i < len; i++) { - switch (string.charAt(i)) { - case ' ' : - if ( ! comma) { - result++; // space preceding comma - } - break; - case ',' : - if (comma) { - return 0; // second comma! - } - comma = true; - result++; - break; - default: - return 0; // non-comma, non-space char - } - } - return result; - } - -} |